IAPMO has collaborated with the National Electrical Contractors Association (NECA) and the Los Angeles Department of Water and Power (LADWP) to produce an installation standard for solar photovoltaic (PV) and energy storage systems (ESS) in residential applications. 

The Uniform Plumbing Code (UPC) has a long history of providing useful information that is not offered by other model codes. 

The 2021 USHGC is scheduled to be published in early 2021.